202343980247 has 2 divisors, whose sum is σ = 202343980248. Its totient is φ = 202343980246.

The previous prime is 202343980229. The next prime is 202343980253. The reversal of 202343980247 is 742089343202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202343980247 - 2²² = 202339785943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202343980198 and 202343980207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202343980747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101171990123 + 101171990124.

It is an arithmetic number, because the mean of its divisors is an integer number (101171990124).

Almost surely, 2^202343980247 is an apocalyptic number.

202343980247 is a deficient number, since it is larger than the sum of its proper divisors (1).

202343980247 is an equidigital number, since it uses as much as digits as its factorization.

202343980247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 202343980247 in words is "two hundred two billion, three hundred forty-three million, nine hundred eighty thousand, two hundred forty-seven".